Seiko Cal. 4454 - 551

The Seiko 4454-551 represents an important milestone in Seiko's 1966 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-d700ff556cb5]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1966

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