Seiko Cal. 3855 - 236

This Automatic model from 1973 features a 42mm PVD Black case. Powered by the 3855 caliber with 35j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-1507c484c551]

Also known as: Helmet, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1973

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