Seiko Cal. 6177 - 351

The Seiko 6177-351 represents an important milestone in Seiko's 1965 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-3fb7ee6be5c0]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1965

Related Models

• Seiko 6235-978
• Seiko 7038-207
• Seiko 0728-638
• Seiko 3879-505
• Seiko 4564-227
• Seiko 6326-597
• Seiko 6639-118
• Seiko 6151-173
• Seiko 7152-859
• Seiko 6364-138
• Seiko 5241-138
• Seiko 6216-815