Seiko Cal. 3816 - 403

The 3816-403 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-af650eaeb4d0]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1980

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