Seiko Cal. 4591 - 970

The Seiko 4591-970 represents an important milestone in Seiko's 1987 lineup. Powered by the 4591 caliber with 35j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-84d1639e67c0]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1987

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