Seiko Cal. 4481 - 601

The 4481-601 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-7c165fd2ad52]

Also known as: Turtle, Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1977

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