Seiko Cal. 7177 - 690

The Seiko 7177-690 represents an important milestone in Seiko's 1971 lineup. It features a Green dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-46a397b86d40]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1971

Related Models

• Seiko 4446-908
• Seiko 3848-320
• Seiko 3872-859
• Seiko 6674-673
• Seiko 4578-653
• Seiko 6218-377
• Seiko 7061-313
• Seiko 7150-166
• Seiko 6314-377
• Seiko 7079-980
• Seiko 7036-908
• Seiko 7185-297