Seiko Cal. 5618 - 316

The Seiko 5618-316 represents an important milestone in Seiko's 1973 lineup. With its 18mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-fe2a95514d97]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1973

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