Seiko Cal. 4551 - 710

The Seiko 4551-710 represents an important milestone in Seiko's 1976 lineup. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-1bfaaacf0cd5]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1976

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