Seiko Cal. 6356 - 631

The Seiko 6356-631 represents an important milestone in Seiko's 1997 lineup. With its 20mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-845ce1a6cf9c]

Also known as: Bellmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1997

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