Seiko Cal. 4537 - 744

The 4537-744 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4537 caliber with 22j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-665bda9207af]

Also known as: Turtle, Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1992

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