Seiko Cal. 6381 - 846

This Hand-Winding model from 1986 features a 40mm Two-Tone case. With its 20mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-551f20dc8bb9]

Also known as: UFO, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1986

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