Seiko Cal. 5646 - 781

The 5646-781 is a sought-after Quartz piece from Seiko's golden era. With its 22mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-8c07bf8b9cb7]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1986

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