Seiko Cal. 6637 - 171

The Seiko 6637-171 represents an important milestone in Seiko's 1983 lineup. It features a White dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-ff233dd7b075]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1983

Related Models

• Seiko 0715-811
• Seiko 6646-353
• Seiko 0778-117
• Seiko 5687-711
• Seiko 3840-874
• Seiko 4583-526
• Seiko 0740-820
• Seiko 4499-893
• Seiko 5698-854
• Seiko 6111-211
• Seiko 7169-271
• Seiko 6661-719