Seiko Cal. 4455 - 991

Released in 1985, the Cal. 4455 with design code 991 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-ed4ad61b37d7]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1985

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