Seiko Cal. 5251 - 284

This Spring Drive model from 1990 features a 44mm Titanium case. Powered by the 5251 caliber with 24j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-0e0e5b551fef]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1990

Related Models

• Seiko 5213-843
• Seiko 7059-407
• Seiko 4483-988
• Seiko 0748-427
• Seiko 6253-391
• Seiko 7121-605
• Seiko 6389-790
• Seiko 5277-719
• Seiko 0770-988
• Seiko 4595-216
• Seiko 5250-592
• Seiko 4444-661