Seiko Cal. 7138 - 744

Seiko 7138-744

This Quartz model from 1977 features a 40mm Gold-Plated case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-92f1e97a72cb]

Also known as: Monster, Tuna

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
11.1mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Champagne
Jewels
18j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1977

Related Models

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