Seiko Cal. 7139 - 528

Seiko 7139-528

This Automatic model from 1967 features a 39mm Gold-Plated case. Powered by the 7139 caliber with 31j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-6f7e2b6d1228]

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
11.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Burgundy
Jewels
31j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1967

Related Models

seikata-wm-6f7e2b6d1228