Seiko Cal. 6121 - 386

Seiko 6121-386

This Automatic model from 1972 features a 43mm Hardlex-Coated Steel case. Powered by the 6121 caliber with 35j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-b76a89bf995a]

Also known as: Tuna, Silverwave

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
8.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Black
Jewels
35j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1972

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