Seiko Cal. 6345 - 631

The Seiko 6345-631 represents an important milestone in Seiko's 1998 lineup. With its 18mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-d60b37ae797f]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1998

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