Seiko Cal. 4543 - 375

The Seiko 4543-375 represents an important milestone in Seiko's 1971 lineup. Powered by the 4543 caliber with 31j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-f5fef91b5194]

Also known as: Bellmatic, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1971

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