Seiko Cal. 5650 - 543

This Automatic model from 1971 features a 44mm Gold-Plated case. Powered by the 5650 caliber with 18j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-9337c5d72d6b]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1971

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