Seiko Cal. 5647 - 990

Seiko 5647-990

This Automatic model from 1991 features a 37mm Hardlex-Coated Steel case. With its 18mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-df9579f074e0]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
13.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Silver
Jewels
20j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1991

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