Seiko Cal. 4489 - 301

This Hand-Winding model from 1967 features a 40mm Two-Tone case. It features a Silver dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-ca08778b6bb6]

Also known as: Sumo, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1967

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