Seiko Cal. 6131 - 486

This Spring Drive model from 1970 features a 40mm Two-Tone case. With its 18mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-850b6fc1c291]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1970

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