Seiko Cal. 7058 - 257

This Hand-Winding model from 1978 features a 39mm Gold-Plated case. Powered by the 7058 caliber with 18j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-9e8ee6256ec9]

Also known as: Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1978

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