Seiko Cal. 6131 - 791

Released in 1992, the Cal. 6131 with design code 791 was part of Seiko's domestic market collection. With its 21mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-cf99dc1e2de9]

Also known as: Sportsmatic, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1992

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