Seiko Cal. 3815 - 924

The Seiko 3815-924 represents an important milestone in Seiko's 1998 lineup. Powered by the 3815 caliber with 17j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-a0995bda77c7]

Also known as: Tuna, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1998

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