Seiko Cal. 5278 - 238

Seiko 5278-238

This Quartz model from 1983 features a 34mm PVD Black case. Powered by the 5278 caliber with 23j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-dc09b6d01cbd]

Also known as: Sumo, Tuna

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
34mm
Case Thickness
11.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
150m
Dial Color
Champagne
Jewels
23j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1983

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