Seiko Cal. 6317 - 535

This Hand-Winding model from 1978 features a 46mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-694dcf89588b]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1978

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