Seiko Cal. 4496 - 990

The Seiko 4496-990 represents an important milestone in Seiko's 1975 lineup. Powered by the 4496 caliber with 31j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-1c0fac1adcbb]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1975

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