Seiko Cal. 6634 - 366

The Seiko 6634-366 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-f4a35fc2efea]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1978

Related Models

• Seiko 4583-943
• Seiko 4453-362
• Seiko 6356-475
• Seiko 4441-821
• Seiko 7132-925
• Seiko 0794-939
• Seiko 6265-169
• Seiko 4458-346
• Seiko 6667-581
• Seiko 6321-475
• Seiko 0781-896
• Seiko 0717-636