Seiko Cal. 4555 - 342

The Seiko 4555-342 represents an important milestone in Seiko's 1981 lineup. Powered by the 4555 caliber with 21j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-aa7ef5d31982]

Also known as: Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1981

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