Seiko Cal. 4578 - 225

The Seiko 4578-225 represents an important milestone in Seiko's 1987 lineup. Powered by the 4578 caliber with 35j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-3760bdd27fce]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1987

Related Models

• Seiko 7065-267
• Seiko 0737-202
• Seiko 6225-627
• Seiko 4450-493
• Seiko 6116-298
• Seiko 5243-160
• Seiko 6396-940
• Seiko 4482-774
• Seiko 4492-634
• Seiko 5675-408
• Seiko 6353-364
• Seiko 4579-800