Seiko Cal. 3855 - 885

This Spring Drive model from 1967 features a 44mm PVD Black case. With its 18mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-42db8f989ca3]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1967

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