Seiko Cal. 5681 - 657

The 5681-657 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-52b7dd0ab512]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1982

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