Seiko Cal. 0743 - 437

This Spring Drive model from 1971 features a 40mm Titanium case. Powered by the 0743 caliber with 28j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-7d01dc57e656]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1971

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