Seiko Cal. 4491 - 198

The Seiko 4491-198 represents an important milestone in Seiko's 1997 lineup. Powered by the 4491 caliber with 26j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-e155ba6b0a2f]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1997

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