Seiko Cal. 5631 - 414

Seiko 5631-414

This Automatic model from 1997 features a 37mm Hardlex-Coated Steel case. Powered by the 5631 caliber with 19j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-2e13fba9b16e]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.0mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
140m
Dial Color
Silver
Jewels
19j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1997

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