Seiko Cal. 5639 - 156

Seiko 5639-156

The 5639-156 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-eb85cb007991]

Also known as: Tuna, Silverwave

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
12.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
120m
Dial Color
White
Jewels
25j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1988

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