Seiko Cal. 7128 - 931

Seiko 7128-931

This Quartz model from 1968 features a 46mm Hardlex-Coated Steel case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-c1d4b8231b8a]

Also known as: Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
11.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Green
Jewels
27j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1968

Related Models

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