Seiko Cal. 4551 - 856

The Seiko 4551-856 represents an important milestone in Seiko's 1993 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-23abf97138df]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1993

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