Seiko Cal. 5644 - 463

The Seiko 5644-463 represents an important milestone in Seiko's 1969 lineup. With its 21mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-c999a1407874]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1969

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