Seiko Cal. 3813 - 850

This Spring Drive model from 1969 features a 42mm PVD Black case. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-715f514231dd]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1969

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