Seiko Cal. 6621 - 713

This Hand-Winding model from 1970 features a 39mm Gold-Plated case. Powered by the 6621 caliber with 34j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-950c1a85a26d]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1970

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