Seiko Cal. 5644 - 513

This Spring Drive model from 1982 features a 46mm Two-Tone case. With its 22mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-3303d458b1d4]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1982

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