Seiko Cal. 4491 - 784

The Seiko 4491-784 represents an important milestone in Seiko's 1976 lineup. Powered by the 4491 caliber with 34j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-2be347112b69]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1976

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