Seiko Cal. 3866 - 625

This Spring Drive model from 1986 features a 42mm Two-Tone case. Powered by the 3866 caliber with 34j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-1e47018ed33e]

Also known as: Bullhead, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1986

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