Seiko Cal. 3853 - 920

This Spring Drive model from 1977 features a 39mm Gold-Plated case. Powered by the 3853 caliber with 26j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-edc436664258]

Also known as: Monster, Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1977

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