Seiko Cal. 4554 - 281

This Hand-Winding model from 1968 features a 36mm PVD Black case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-5254be7674ed]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1968

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