Seiko Cal. 5643 - 487

Seiko 5643-487

The 5643-487 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-930640e6a569]

Also known as: Turtle, Sumo

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
9.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
170m
Dial Color
Navy
Jewels
25j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1983

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seikata-wm-930640e6a569