Seiko Cal. 6638 - 885

The Seiko 6638-885 represents an important milestone in Seiko's 1992 lineup. It features a Silver dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-b48ffc176ccf]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1992

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