Seiko Cal. 7165 - 187

This Spring Drive model from 1977 features a 43mm Two-Tone case. With its 21mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-751c38d21210]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1977

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