Seiko Cal. 6637 - 146

Seiko 6637-146

The 6637-146 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6637 caliber with 35j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-acdb2c71f04f]

Also known as: Pogue, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
13.3mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Cream
Jewels
35j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1989

Related Models

seikata-wm-acdb2c71f04f