Seiko Cal. 6375 - 664

The 6375-664 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6375 caliber with 25j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-41be4dd1450d]

Also known as: Navigator, Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1971

Related Models

• Seiko 7089-669
• Seiko 5254-496
• Seiko 5641-806
• Seiko 4531-482
• Seiko 6681-850
• Seiko 6280-617
• Seiko 0782-325
• Seiko 6325-144
• Seiko 0757-313
• Seiko 3889-965
• Seiko 6652-303
• Seiko 5699-789