Seiko Cal. 6131 - 319

The Seiko 6131-319 represents an important milestone in Seiko's 1969 lineup. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-6b466db302a5]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1969

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