Seiko Cal. 5278 - 306

The 5278-306 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5278 caliber with 28j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-238ae36cff02]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1965

Related Models

• Seiko 6393-746
• Seiko 6129-232
• Seiko 7060-820
• Seiko 7060-729
• Seiko 7149-984
• Seiko 0728-884
• Seiko 7166-461
• Seiko 5223-385
• Seiko 5661-417
• Seiko 7030-303
• Seiko 5285-501
• Seiko 4570-371