Seiko Cal. 3820 - 685

The Seiko 3820-685 represents an important milestone in Seiko's 1989 lineup. Powered by the 3820 caliber with 29j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-b218b7ee1132]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1989

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