Seiko Cal. 4471 - 891

Released in 1985, the Cal. 4471 with design code 891 was part of Seiko's domestic market collection. Powered by the 4471 caliber with 35j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-6fe953cffab4]

Also known as: Monster, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1985

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