Seiko Cal. 6637 - 388

Seiko 6637-388

The 6637-388 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-bf63c5eb69ad]

Also known as: Samurai, Sea Horse

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
36mm
Case Thickness
11.4mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
40m
Dial Color
White
Jewels
18j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1991

Related Models

seikata-wm-bf63c5eb69ad