Seiko Cal. 6618 - 658

This Automatic model from 1967 features a 43mm Stainless Steel case. With its 18mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-ad145c81522e]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1967

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