Seiko Cal. 5231 - 105

The Seiko 5231-105 represents an important milestone in Seiko's 1999 lineup. Powered by the 5231 caliber with 17j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-9e8d4ff89a6b]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1999

Related Models

• Seiko 6287-206
• Seiko 4417-820
• Seiko 4565-676
• Seiko 6234-633
• Seiko 7188-600
• Seiko 5218-787
• Seiko 6345-864
• Seiko 7082-123
• Seiko 5276-431
• Seiko 6328-243
• Seiko 7067-356
• Seiko 6127-534