Seiko Cal. 7138 - 735

Seiko 7138-735

This Automatic model from 1976 features a 46mm Hardlex-Coated Steel case. Powered by the 7138 caliber with 35j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-5e397a649c1a]

Also known as: UFO, Bellmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
8.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
100m
Dial Color
Silver
Jewels
35j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1976

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