Seiko Cal. 3837 - 645

This Automatic model from 1967 features a 46mm Two-Tone case. Powered by the 3837 caliber with 18j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-1fee4154deb5]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1967

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