Seiko Cal. 4418 - 136

This Spring Drive model from 1977 features a 39mm Stainless Steel case. Powered by the 4418 caliber with 32j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-aa0ea89e3af7]

Also known as: Turtle, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1977

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