Seiko Cal. 7161 - 509

This Spring Drive model from 1975 features a 42mm PVD Black case. With its 20mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-3ff45c3de397]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1975

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