Seiko Cal. 5644 - 200

This Quartz model from 1984 features a 38mm Two-Tone case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-67c64b92cc6d]

Also known as: Sumo, Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1984

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