Seiko Cal. 7111 - 310

This Quartz model from 1970 features a 41mm Hardlex-Coated Steel case. Powered by the 7111 caliber with 27j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-db598ac2f28b]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1970

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