Seiko Cal. 4491 - 850

The 4491-850 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4491 caliber with 29j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-ba5b4503979b]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1978

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