Seiko Cal. 4555 - 856

The Seiko 4555-856 represents an important milestone in Seiko's 1975 lineup. Powered by the 4555 caliber with 25j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-67a43fc4e986]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1975

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