Seiko Cal. 5617 - 681

This Spring Drive model from 1971 features a 42mm Stainless Steel case. Powered by the 5617 caliber with 30j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-ad63342b276a]

Also known as: Turtle, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1971

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