Seiko Cal. 7099 - 310

This Spring Drive model from 1965 features a 41mm Hardlex-Coated Steel case. Powered by the 7099 caliber with 30j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-00ff5cb877bc]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1965

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