Seiko Cal. 6315 - 645

The Seiko 6315-645 represents an important milestone in Seiko's 1999 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-82f37a89ebf4]

Also known as: Bullhead, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1999

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