Seiko Cal. 6391 - 237

This Solar model from 1991 features a 41mm Gold-Plated case. Powered by the 6391 caliber with 23j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-ccca1f725e80]

Also known as: Monster, Rally

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1991

Related Models

• Seiko 6281-646
• Seiko 6285-780
• Seiko 7115-270
• Seiko 6110-272
• Seiko 5644-604
• Seiko 6385-577
• Seiko 0796-983
• Seiko 3892-158
• Seiko 4590-969
• Seiko 6253-813
• Seiko 6142-281
• Seiko 6649-193