Seiko Cal. 4474 - 742

This Spring Drive model from 1982 features a 38mm Two-Tone case. It features a Silver dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-0be517d44d50]

Also known as: Sumo, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1982

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