Seiko Cal. 6231 - 170

Seiko 6231-170

This Quartz model from 1970 features a 37mm Hardlex-Coated Steel case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-d92cc466c99b]

Also known as: Turtle, Bellmatic

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
8.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
150m
Dial Color
Green
Jewels
24j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1970

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