Seiko Cal. 4444 - 986

The 4444-986 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4444 caliber with 19j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-55df387d7609]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1989

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