Seiko Cal. 4491 - 690

The 4491-690 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4491 caliber with 24j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-398cfc61aaf5]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1975

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