Seiko Cal. 4571 - 977

The Seiko 4571-977 represents an important milestone in Seiko's 1989 lineup. Powered by the 4571 caliber with 27j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-3354d9b8d900]

Also known as: Monster, Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1989

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