Seiko Cal. 6131 - 290

The Seiko 6131-290 represents an important milestone in Seiko's 1981 lineup. With its 20mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-030c72c2ac23]

Also known as: Silverwave, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1981

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