Seiko Cal. 3848 - 566

This Spring Drive model from 1966 features a 41mm PVD Black case. Powered by the 3848 caliber with 36j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-8d1824cf8ade]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1966

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