Seiko Cal. 7183 - 448

The 7183-448 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-83e1fc89fda2]

Also known as: Helmet, Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1974

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