Seiko Cal. 7178 - 645

Seiko 7178-645

This Quartz model from 1982 features a 46mm Stainless Steel case. Powered by the 7178 caliber with 32j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-28a18c4b0eca]

Also known as: Tuna

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
90m
Dial Color
Champagne
Jewels
32j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1982

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