Seiko Cal. 6375 - 400

The 6375-400 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6375 caliber with 22j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-b0ec60d9f4a9]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1998

Related Models

• Seiko 5662-209
• Seiko 6369-902
• Seiko 7067-956
• Seiko 4591-724
• Seiko 7093-258
• Seiko 6240-649
• Seiko 5231-258
• Seiko 7175-647
• Seiko 4499-925
• Seiko 4571-124
• Seiko 4532-292
• Seiko 6616-817