Seiko Cal. 7180 - 742

The 7180-742 is a sought-after Solar piece from Seiko's golden era. Powered by the 7180 caliber with 17j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-6b714badb4b8]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1983

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