Seiko Cal. 7165 - 521

The 7165-521 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7165 caliber with 31j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-8b31dab9ba8e]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1984

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