Seiko Cal. 5680 - 810

The Seiko 5680-810 represents an important milestone in Seiko's 1969 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-209dbe2bced4]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1969

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