Seiko Cal. 7138 - 308

This Hand-Winding model from 1973 features a 37mm Gold-Plated case. Powered by the 7138 caliber with 26j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-f3b1b2aaea54]

Also known as: Tuna, Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1973

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