Seiko Cal. 5681 - 361

The Seiko 5681-361 represents an important milestone in Seiko's 1991 lineup. With its 18mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-0232fea0e2ee]

Also known as: Sumo, Rally

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1991

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