Seiko Cal. 7171 - 523

The 7171-523 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7171 caliber with 18j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-2af61cc15912]

Also known as: Bullhead, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1965

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