Seiko Cal. 6638 - 381

The Seiko 6638-381 represents an important milestone in Seiko's 1995 lineup. It features a Silver dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-9430cd0cb0b1]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1995

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