Seiko Cal. 7091 - 428

Seiko 7091-428

This Hand-Winding model from 1979 features a 36mm Titanium case. Powered by the 7091 caliber with 25j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-a94a40a207a0]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
36mm
Case Thickness
13.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1979

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seikata-wm-a94a40a207a0