Seiko Cal. 5617 - 309

This Spring Drive model from 1986 features a 37mm Gold-Plated case. With its 20mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-bdfb91f7094e]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1986

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