Seiko Cal. 5643 - 631

The Seiko 5643-631 represents an important milestone in Seiko's 1999 lineup. It features a White dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-88f8afec0ef9]

Also known as: Samurai, Panda

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1999

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