Seiko Cal. 4458 - 978

The 4458-978 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4458 caliber with 17j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-e1e9d985af17]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1965

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