Seiko Cal. 6131 - 461

The Seiko 6131-461 represents an important milestone in Seiko's 1969 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-fa70559b4bcd]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1969

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