Seiko Cal. 6638 - 875

The Seiko 6638-875 represents an important milestone in Seiko's 1997 lineup. It features a White dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-7e175e2a57b3]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1997

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