Seiko Cal. 6278 - 634

This Spring Drive model from 1988 features a 46mm Two-Tone case. Powered by the 6278 caliber with 23j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-bb1c6f350984]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1988

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