Seiko Cal. 6317 - 645

Released in 1991, the Cal. 6317 with design code 645 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-d3bdb5d249cc]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1991

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