Seiko Cal. 6649 - 357

This Automatic model from 1975 features a 37mm PVD Black case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ba9314a9e391]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1975

Related Models

• Seiko 4418-933
• Seiko 4480-383
• Seiko 4476-451
• Seiko 6248-738
• Seiko 7163-444
• Seiko 4564-827
• Seiko 6111-828
• Seiko 6262-872
• Seiko 6350-282
• Seiko 6649-362
• Seiko 3887-803
• Seiko 5230-759