Seiko Cal. 3817 - 240

The Seiko 3817-240 represents an important milestone in Seiko's 1992 lineup. It features a Green dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-84cfc3f02142]

Also known as: Tuna, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1992

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