Seiko Cal. 5665 - 438

This Spring Drive model from 1994 features a 44mm Two-Tone case. Powered by the 5665 caliber with 32j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-c29a9e90267f]

Also known as: UFO, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1994

Related Models

• Seiko 4578-717
• Seiko 3872-663
• Seiko 3826-118
• Seiko 3836-296
• Seiko 6695-973
• Seiko 4424-844
• Seiko 5676-372
• Seiko 5286-300
• Seiko 5238-597
• Seiko 7149-424
• Seiko 6324-332
• Seiko 4510-839