Seiko Cal. 5681 - 481

The 5681-481 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5681 caliber with 31j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-8998c03ddb5d]

Also known as: Helmet, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1974

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