Seiko Cal. 5644 - 983

The 5644-983 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-5f33cfc2cbf2]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1969

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