Seiko Cal. 6391 - 243

This Solar model from 1991 features a 36mm Hardlex-Coated Steel case. Powered by the 6391 caliber with 34j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-ae93774524c4]

Also known as: Silverwave, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1991

Related Models

• Seiko 6297-538
• Seiko 7189-978
• Seiko 6310-327
• Seiko 7144-828
• Seiko 0754-435
• Seiko 4570-914
• Seiko 6646-818
• Seiko 6395-651
• Seiko 6352-485
• Seiko 0785-446
• Seiko 5638-668
• Seiko 7094-227