Seiko Cal. 6636 - 538

Seiko 6636-538

The 6636-538 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6636 caliber with 26j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-12807e1c84ba]

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
14.3mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
90m
Dial Color
Black
Jewels
26j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1982

Related Models

seikata-wm-12807e1c84ba