Seiko Cal. 6638 - 853

The Seiko 6638-853 represents an important milestone in Seiko's 1996 lineup. It features a White dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-9898dc5745b7]

Also known as: UFO, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1996

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