Seiko Cal. 6634 - 105

The Seiko 6634-105 represents an important milestone in Seiko's 1984 lineup. It features a Navy dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-64bcba69b76d]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1984

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