Seiko Cal. 4543 - 427

The Seiko 4543-427 represents an important milestone in Seiko's 1968 lineup. Powered by the 4543 caliber with 28j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-48da408cecff]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1968

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