Seiko Cal. 6645 - 176

The Seiko 6645-176 represents an important milestone in Seiko's 1975 lineup. It features a Cream dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-719c1ff61b29]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1975

Related Models

• Seiko 5614-640
• Seiko 3885-625
• Seiko 7068-199
• Seiko 0745-799
• Seiko 6259-799
• Seiko 5244-868
• Seiko 6681-637
• Seiko 7038-320
• Seiko 7094-444
• Seiko 6340-485
• Seiko 6286-560
• Seiko 4528-713