Seiko Cal. 5660 - 837

Seiko 5660-837

This Automatic model from 1982 features a 35mm Stainless Steel case. Powered by the 5660 caliber with 36j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-4b10cd5ee776]

Also known as: Golden Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
12.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
White
Jewels
36j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1982

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seikata-wm-4b10cd5ee776