Seiko Cal. 5665 - 375

The Seiko 5665-375 represents an important milestone in Seiko's 1967 lineup. Powered by the 5665 caliber with 32j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-2b14cbc48494]

Also known as: Helmet, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1967

Related Models

• Seiko 5690-600
• Seiko 7137-310
• Seiko 6375-284
• Seiko 7182-240
• Seiko 7128-500
• Seiko 6336-595
• Seiko 7187-265
• Seiko 6610-590
• Seiko 4455-462
• Seiko 4515-782
• Seiko 6261-283
• Seiko 6280-239