Seiko Cal. 6693 - 357

The Seiko 6693-357 represents an important milestone in Seiko's 1979 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ee3da64f2e2d]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1979

Related Models

• Seiko 4497-666
• Seiko 3830-417
• Seiko 4421-877
• Seiko 4585-426
• Seiko 3848-401
• Seiko 6164-549
• Seiko 6674-194
• Seiko 4554-455
• Seiko 3885-210
• Seiko 6683-613
• Seiko 6275-432
• Seiko 6396-171