Seiko Cal. 3840 - 420

Seiko 3840-420

The 3840-420 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-98c808b8f8ef]

Also known as: Panda

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
12.1mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Burgundy
Jewels
28j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1978

Related Models

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