Seiko Cal. 4488 - 584

Released in 1977, the Cal. 4488 with design code 584 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-e8edbf8ad862]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1977

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