Seiko Cal. 3845 - 781

This Automatic model from 1965 features a 43mm Two-Tone case. Powered by the 3845 caliber with 19j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-6f39e58fc93b]

Also known as: Monster, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1965

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