Seiko Cal. 6376 - 644

This Solar model from 1968 features a 34mm PVD Black case. Powered by the 6376 caliber with 27j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-818ad0b60e3d]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1968

Related Models

• Seiko 3860-532
• Seiko 3856-840
• Seiko 6214-772
• Seiko 6692-499
• Seiko 3864-350
• Seiko 7131-813
• Seiko 4458-261
• Seiko 6337-800
• Seiko 6661-949
• Seiko 0753-480
• Seiko 0766-908
• Seiko 4595-588