Seiko Cal. 5618 - 931

Seiko 5618-931

This Hand-Winding model from 1982 features a 45mm Hardlex-Coated Steel case. With its 21mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-544af8f42c05]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
8.1mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Green
Jewels
22j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1982

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