Waxing crescent

Watch news and tools for
collectors and the curious.

Side by side

The watches side by side

General

Collection
Sport
Sport
Status
In production
In production
Retail price
US$7,600
US$7,600

Case

Diameter
44.2 mm
44.2 mm
Thickness
14.4 mm
14.4 mm
Lug to lug
50.6 mm
50.6 mm
Lug width
21 mm
21 mm
Material
Stainless steel
Stainless steel
Caseback
Screw-down
Screw-down
Crystal
Sapphire, Domed, Anti-reflective inside
Sapphire, Domed, Anti-reflective inside
Crown
Screw-down
Screw-down
Water resistance
200 m
200 m
Antimagnetic
60 gauss
60 gauss
Weight
188 g
188 g

Movement

Type
Automatic
Automatic
Origin
In-house
In-house
Power reserve
55 h
55 h
Frequency
36,000 vph (5 Hz)
36,000 vph (5 Hz)
Jewels
37
37
Functions
  • Rotating bezel (24-hour display)
  • Screw-down crown
  • 37 jewels
  • 24-hour hand (dual time display function)
  • Calendar-linked time difference adjustment function
  • Rotating bezel (24-hour display)
  • Screw-down crown
  • 37 jewels
  • 24-hour hand (dual time display function)
  • Calendar-linked time difference adjustment function
Complications
  • Date
  • GMT / second time zone
  • Date
  • GMT / second time zone

Dial

Colour (differs)
Green
Midnight blue
Lume
Lumibrite
Lumibrite

Bracelet

Type
Metal bracelet
Metal bracelet
Material
Stainless steel
Stainless steel
Clasp
Folding clasp
Folding clasp
Grand Seiko Sport SBGJ277 vs Grand Seiko Sport SBGJ237 – dialtone