Seiko Cal. 4456 - 537

The 4456-537 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4456 caliber with 19j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-dacbb9c29ff8]

Also known as: World Timer, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1989

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