Seiko Cal. 3853 - 484

This Spring Drive model from 1972 features a 37mm Hardlex-Coated Steel case. Powered by the 3853 caliber with 33j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-0ff560736ff2]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1972

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