Seiko Cal. 3810 - 820

The Seiko 3810-820 represents an important milestone in Seiko's 1989 lineup. Powered by the 3810 caliber with 18j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-9f857a6480b4]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1989

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