Seiko Cal. 5641 - 359

This Spring Drive model from 1986 features a 42mm Two-Tone case. Powered by the 5641 caliber with 31j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-564d52e1ab0d]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1986

Related Models

• Seiko 6331-170
• Seiko 4450-422
• Seiko 6174-941
• Seiko 3865-519
• Seiko 5665-929
• Seiko 6389-117
• Seiko 6167-715
• Seiko 7146-824
• Seiko 6639-316
• Seiko 6345-168
• Seiko 4473-427
• Seiko 5696-460