Seiko Cal. 4481 - 424

Seiko 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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