Seiko Cal. 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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