Seiko Cal. 6313 - 671

This Spring Drive model from 1985 features a 44mm PVD Black case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-0456a6c5e4a0]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1985

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