Seiko Cal. 7161 - 893

This Quartz model from 1970 features a 46mm Hardlex-Coated Steel case. Powered by the 7161 caliber with 31j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-f7ced3cc7641]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1970

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