Seiko Cal. 3821 - 637

Seiko 3821-637

The 3821-637 is a sought-after Kinetic piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3b8e3f820ea2]

Also known as: Monster, Navigator

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
37mm
Case Thickness
15.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1991

Related Models

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