Seiko Cal. 6379 - 531

The 6379-531 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6379 caliber with 29j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-aea8f62ab7b2]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1980

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