Seiko Cal. 5647 - 582

The Seiko 5647-582 represents an important milestone in Seiko's 1973 lineup. It features a Black dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-0b74a7743112]

Also known as: Sumo, Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1973

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