Seiko Cal. 6616 - 231

This Spring Drive model from 1988 features a 41mm PVD Black case. Powered by the 6616 caliber with 30j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-49c4c3ddeaa3]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1988

Related Models

• Seiko 3872-997
• Seiko 5297-705
• Seiko 6680-905
• Seiko 4487-278
• Seiko 0794-692
• Seiko 6278-392
• Seiko 4462-805
• Seiko 6155-654
• Seiko 6693-756
• Seiko 5235-453
• Seiko 4551-281
• Seiko 7089-462