Seiko Cal. 3820 - 853

Seiko 3820-853

The Seiko 3820-853 represents an important milestone in Seiko's 1971 lineup. Powered by the 3820 caliber with 21j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-e9f4acddd05d]

Also known as: Monster, Sumo

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
40mm
Case Thickness
13.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1971

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