Seiko Cal. 4555 - 894

The Seiko 4555-894 represents an important milestone in Seiko's 1966 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-ca55f9f040f1]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1966

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