Seiko Cal. 7139 - 120

Seiko 7139-120

This Hand-Winding model from 1996 features a 42mm Titanium case. Powered by the 7139 caliber with 27j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-4b46fc0a8279]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
42mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1996

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seikata-wm-4b46fc0a8279