Seiko Cal. 6131 - 308

Seiko 6131-308

This Quartz model from 1981 features a 36mm Hardlex-Coated Steel case. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-a0a25a66ea18]

Also known as: Bellmatic, Sea Horse

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
11.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
160m
Dial Color
Black
Jewels
34j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1981

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