Seiko Cal. 6646 - 155

The Seiko 6646-155 represents an important milestone in Seiko's 1993 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-ce6eb733e56b]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1993

Related Models

• Seiko 3847-760
• Seiko 5247-697
• Seiko 6186-720
• Seiko 4466-989
• Seiko 6179-982
• Seiko 5265-716
• Seiko 6119-993
• Seiko 6646-692
• Seiko 7054-487
• Seiko 6653-312
• Seiko 6312-903
• Seiko 4457-838