Seiko Cal. 5638 - 230

Seiko 5638-230

The 5638-230 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-e51024b5c5af]

Also known as: Panda, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
12.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Burgundy
Jewels
29j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1989

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