Seiko Cal. 6131 - 538

Released in 1972, the Cal. 6131 with design code 538 was part of Seiko's domestic market collection. With its 22mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-85ec87ca311a]

Also known as: Pogue, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1972

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