Seiko Cal. 3816 - 488

The Seiko 3816-488 represents an important milestone in Seiko's 1983 lineup. Powered by the 3816 caliber with 22j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-e4331ea66c9c]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1983

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