Seiko Cal. 4418 - 630

This Spring Drive model from 1971 features a 40mm Stainless Steel case. With its 20mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-eda5611f52bc]

Also known as: Panda, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1971

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