Seiko Cal. 7131 - 454

The Seiko 7131-454 represents an important milestone in Seiko's 1971 lineup. Powered by the 7131 caliber with 31j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-f6699717d900]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1971

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