Seiko Cal. 4556 - 910

The Seiko 4556-910 represents an important milestone in Seiko's 1970 lineup. It features a Silver dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-fc7b6ac85cd2]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1970

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