Seiko Cal. 5681 - 759

This Hand-Winding model from 1966 features a 36mm Hardlex-Coated Steel case. It features a Black dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-a69e77d899e1]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1966

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