Seiko Cal. 3821 - 139

Seiko 3821-139

The 3821-139 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3821 caliber with 33j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-f096925def44]

Also known as: Monster, Sea Horse

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
35mm
Case Thickness
12.9mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
30m
Dial Color
Green
Jewels
33j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1995

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