Seiko Cal. 4555 - 747

This Spring Drive model from 1967 features a 46mm PVD Black case. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-f2fce58f02b1]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1967

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