Seiko Cal. 4531 - 672

The Seiko 4531-672 represents an important milestone in Seiko's 1991 lineup. Powered by the 4531 caliber with 24j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-13f03c59c937]

Also known as: Turtle, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1991

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