Seiko Cal. 4543 - 937

The Seiko 4543-937 represents an important milestone in Seiko's 1966 lineup. Powered by the 4543 caliber with 31j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-134528c35e52]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1966

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