Seiko Cal. 3870 - 824

Seiko 3870-824

Released in 1974, the Cal. 3870 with design code 824 was part of Seiko's domestic market collection. Powered by the 3870 caliber with 17j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-9c5605a72306]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
13.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1974

Related Models

seikata-wm-9c5605a72306