Seiko Cal. 6638 - 800

The Seiko 6638-800 represents an important milestone in Seiko's 1986 lineup. It features a Navy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-772ef805b8b5]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1986

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