Seiko Cal. 4447 - 397

The 4447-397 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4447 caliber with 35j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-d65621a879da]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1988

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