Seiko Cal. 5658 - 681

The Seiko 5658-681 represents an important milestone in Seiko's 1981 lineup. Powered by the 5658 caliber with 25j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-da47d85e1be6]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1981

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