Seiko Cal. 7138 - 737

Seiko 7138-737

This Quartz model from 1966 features a 37mm Hardlex-Coated Steel case. Powered by the 7138 caliber with 25j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-383f30c4ea50]

Also known as: Crown, Golden Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
8.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Green
Jewels
25j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1966

Related Models

seikata-wm-383f30c4ea50