Seiko Cal. 5640 - 284

Seiko 5640-284

The 5640-284 is a sought-after Kinetic piece from Seiko's golden era. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-fbd86f1225f5]

Also known as: Bullhead

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
13.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1980

Related Models

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