Seiko Cal. 3817 - 956

The Seiko 3817-956 represents an important milestone in Seiko's 1992 lineup. It features a White dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-2277e0ceafff]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1992

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