Seiko Cal. 3821 - 287

Seiko 3821-287

The 3821-287 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-2a50b2f7b9ce]

Also known as: Rally

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
15.5mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Silver
Jewels
34j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1978

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