Seiko Cal. 3898 - 938

This Spring Drive model from 1966 features a 46mm Hardlex-Coated Steel case. Powered by the 3898 caliber with 24j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-44f8d7a24289]

Also known as: Tuna, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1966

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