Seiko Cal. 3820 - 597

Seiko 3820-597

The 3820-597 is a sought-after Solar piece from Seiko's golden era. Powered by the 3820 caliber with 28j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-abd828523cfc]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
14.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Green
Jewels
28j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1979

Related Models

seikata-wm-abd828523cfc