Seiko Cal. 4551 - 105

The 4551-105 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4551 caliber with 19j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-106c5c1e1707]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1989

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