Seiko Cal. 5630 - 490

The Seiko 5630-490 represents an important milestone in Seiko's 1998 lineup. It features a Navy dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-7c88e1f8c694]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1998

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