Seiko Cal. 4481 - 475

The 4481-475 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4481 caliber with 29j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-2c2f5dfe2f6a]

Also known as: Panda, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1974

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