Seiko Cal. 3821 - 580

Seiko 3821-580

The Seiko 3821-580 represents an important milestone in Seiko's 1970 lineup. Powered by the 3821 caliber with 30j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-91a5c4cc5bf5]

Also known as: Turtle

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
14.9mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Burgundy
Jewels
30j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1970

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