Seiko Cal. 0740 - 166

The 0740-166 is a sought-after Solar piece from Seiko's golden era. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-e082a9406437]

Also known as: Tuna, UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1972

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