Seiko Cal. 4474 - 371

This Spring Drive model from 1968 features a 38mm PVD Black case. Powered by the 4474 caliber with 24j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-1a04080f3383]

Also known as: Sumo, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1968

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