Seiko Cal. 5618 - 751

This Quartz model from 1965 features a 40mm PVD Black case. With its 19mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-10eab0ea7aee]

Also known as: Bellmatic, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1965

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