Seiko Cal. 3840 - 638

Seiko 3840-638

The 3840-638 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-f2e94f9f5744]

Also known as: Arnie

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
10.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Champagne
Jewels
20j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1986

Related Models

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