Seiko Cal. 4488 - 451

This Spring Drive model from 1971 features a 41mm Two-Tone case. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-d7cd5ad81536]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1971

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