Seiko Cal. 6370 - 731

The 6370-731 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6370 caliber with 28j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-bb2de78177df]

Also known as: Bullhead, Navigator

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1968

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