Seiko Cal. 4543 - 900

The Seiko 4543-900 represents an important milestone in Seiko's 1972 lineup. Powered by the 4543 caliber with 32j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-5a0286e63801]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1972

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