Seiko Cal. 0718 - 617

The Seiko 0718-617 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-f7f60275ef9e]

Also known as: Sumo, Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1968

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