Seiko Cal. 5681 - 712

The Seiko 5681-712 represents an important milestone in Seiko's 1975 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-2c93a39b2bc9]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1975

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