Seiko Cal. 4548 - 551

The Seiko 4548-551 represents an important milestone in Seiko's 1972 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-de52727dbfb6]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1972

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