Seiko Cal. 7183 - 521

The 7183-521 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-f4baa67653f8]

Also known as: UFO, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1972

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