Seiko Cal. 0721 - 554

This Spring Drive model from 1975 features a 45mm Two-Tone case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-bd1c17311582]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1975

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