Seiko Cal. 4546 - 355

This Spring Drive model from 1968 features a 42mm Gold-Plated case. Powered by the 4546 caliber with 20j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-dc18facc5fcb]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1968

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