Seiko Cal. 6278 - 427

This Spring Drive model from 1991 features a 36mm Two-Tone case. Powered by the 6278 caliber with 18j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-9db6fe41d6d8]

Also known as: Crown, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1991

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