Seiko Cal. 4497 - 537

The 4497-537 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4497 caliber with 18j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-1fedf7f46739]

Also known as: Monster, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1995

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