Seiko Cal. 6278 - 912

Seiko 6278-912

This Quartz model from 1985 features a 46mm PVD Black case. Powered by the 6278 caliber with 31j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-e3d8d23fdbca]

Also known as: Tuna, Helmet

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
46mm
Case Thickness
8.9mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Champagne
Jewels
31j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1985

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