Seiko Cal. 3817 - 109

Released in 1972, the Cal. 3817 with design code 109 was part of Seiko's domestic market collection. With its 20mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-41bd89de96e7]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1972

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