Seiko Cal. 5660 - 971

The 5660-971 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5660 caliber with 17j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-23531cf40a70]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1990

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