Seiko Cal. 5644 - 765

This Hand-Winding model from 1998 features a 45mm Stainless Steel case. Powered by the 5644 caliber with 27j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-1052ca6cea19]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1998

Related Models

• Seiko 6699-190
• Seiko 3886-372
• Seiko 6645-143
• Seiko 4426-313
• Seiko 7181-235
• Seiko 7132-398
• Seiko 6315-745
• Seiko 0728-350
• Seiko 4556-904
• Seiko 6317-840
• Seiko 4533-267
• Seiko 6218-541