Seiko Cal. 7138 - 932

Seiko 7138-932

The Seiko 7138-932 represents an important milestone in Seiko's 1990 lineup. Powered by the 7138 caliber with 30j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-17fd31dc7ba4]

Also known as: Sumo, UFO

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
12.0mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
60m
Dial Color
Green
Jewels
30j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1990

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