Seiko Cal. 4491 - 991

The Seiko 4491-991 represents an important milestone in Seiko's 1980 lineup. Powered by the 4491 caliber with 24j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-41d13bde3e1d]

Also known as: Pogue, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1980

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