Seiko Cal. 3821 - 851

Seiko 3821-851

The 3821-851 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3821 caliber with 17j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-f05b86b3eaf8]

Also known as: Monster, World Timer

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
10.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
160m
Dial Color
Champagne
Jewels
17j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1987

Related Models

seikata-wm-f05b86b3eaf8