Seiko Cal. 6638 - 732

Seiko 6638-732

The 6638-732 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-354c44e0f515]

Also known as: Samurai

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
40mm
Case Thickness
13.8mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Green
Jewels
32j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1997

Related Models

seikata-wm-354c44e0f515