Seiko Cal. 6278 - 737

Seiko 6278-737

This Quartz model from 1992 features a 39mm Hardlex-Coated Steel case. Powered by the 6278 caliber with 26j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-e47b9bbdb353]

Also known as: Tuna, UFO

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
8.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
200m
Dial Color
Green
Jewels
26j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1992

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