Seiko Cal. 5644 - 867

Seiko 5644-867

This Automatic model from 1977 features a 39mm Stainless Steel case. With its 21mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-5051317aaa96]

Also known as: Monster, Sumo

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
9.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Cream
Jewels
27j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1977

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seikata-wm-5051317aaa96