Seiko Cal. 4551 - 672

The Seiko 4551-672 represents an important milestone in Seiko's 1972 lineup. It features a Green dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-7f1469513a0f]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1972

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