Seiko Cal. 0718 - 327

This Spring Drive model from 1976 features a 37mm Hardlex-Coated Steel case. Powered by the 0718 caliber with 35j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-a0f5706dd18f]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1976

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