Seiko Cal. 5630 - 316

Seiko 5630-316

This Quartz model from 1978 features a 41mm Hardlex-Coated Steel case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-bb29a342de32]

Also known as: Sumo

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
9.3mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Navy
Jewels
26j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1978

Related Models

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