Seiko Cal. 6390 - 274

The 6390-274 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6390 caliber with 33j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-207befb0c110]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1969

Related Models

• Seiko 4450-903
• Seiko 6127-190
• Seiko 7192-344
• Seiko 5265-559
• Seiko 4531-487
• Seiko 4512-144
• Seiko 0720-203
• Seiko 5626-570
• Seiko 7016-436
• Seiko 6231-994
• Seiko 6358-907
• Seiko 3826-213