Seiko Cal. 5647 - 742

The 5647-742 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ba7ce838783f]

Also known as: Helmet, Rally

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1992

Related Models

• Seiko 5217-979
• Seiko 4565-846
• Seiko 6656-190
• Seiko 5262-287
• Seiko 5252-627
• Seiko 6675-255
• Seiko 6179-467
• Seiko 0756-880
• Seiko 7162-302
• Seiko 6277-799
• Seiko 4472-835
• Seiko 7157-465