Seiko Cal. 7139 - 360

Seiko 7139-360

This Automatic model from 1978 features a 42mm Titanium case. Powered by the 7139 caliber with 33j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-86b8a2bec071]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
42mm
Case Thickness
15.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
70m
Dial Color
White
Jewels
33j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1978

Related Models

seikata-wm-86b8a2bec071