Seiko Cal. 4481 - 424

This Spring Drive model from 1972 features a 40mm Two-Tone case. Powered by the 4481 caliber with 24j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-2516c4578346]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1972

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