Seiko Cal. 0723 - 643

The 0723-643 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0723 caliber with 27j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-fe48102b10bd]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1971

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