Seiko Cal. 5263 - 633

The Seiko 5263-633 represents an important milestone in Seiko's 1998 lineup. It features a Black dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-caa458b6ec9e]

Also known as: Sumo, Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1998

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