Seiko Cal. 5618 - 515

The Seiko 5618-515 represents an important milestone in Seiko's 1974 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-dfcf24ca5001]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1974

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