Seiko Cal. 6377 - 637

Seiko 6377-637

This Automatic model from 1984 features a 39mm Stainless Steel case. Powered by the 6377 caliber with 20j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-99a654e3b247]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
9.5mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
130m
Dial Color
White
Jewels
20j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1984

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seikata-wm-99a654e3b247