Seiko Cal. 5644 - 983

This Quartz model from 1966 features a 45mm Hardlex-Coated Steel case. Powered by the 5644 caliber with 28j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-53f93de64ba2]

Also known as: Panda, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1966

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