Seiko Cal. 6644 - 371

The 6644-371 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6644 caliber with 26j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-fff3245dc4dd]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1988

Related Models

• Seiko 5674-464
• Seiko 4463-897
• Seiko 4497-847
• Seiko 6114-254
• Seiko 4559-382
• Seiko 4555-750
• Seiko 7056-238
• Seiko 5225-667
• Seiko 6636-413
• Seiko 3892-332
• Seiko 6680-618
• Seiko 4487-450