Seiko Cal. 0721 - 181

The 0721-181 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-c31fcd91a7e5]

Also known as: UFO, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1980

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