Seiko Cal. 6634 - 137

The Seiko 6634-137 represents an important milestone in Seiko's 1975 lineup. It features a White dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-f5d830deb790]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1975

Related Models

• Seiko 4592-374
• Seiko 6613-705
• Seiko 5646-452
• Seiko 0779-160
• Seiko 5221-928
• Seiko 6118-968
• Seiko 6275-621
• Seiko 4433-364
• Seiko 0772-274
• Seiko 3881-662
• Seiko 6688-389
• Seiko 4563-413