Seiko Cal. 4553 - 331

The 4553-331 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4553 caliber with 28j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-bd9dee62e28e]

Also known as: Helmet, World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1985

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