Seiko Cal. 5611 - 251

This Hand-Winding model from 1965 features a 45mm Titanium case. Powered by the 5611 caliber with 29j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-26c1bbea0c2e]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1965

Related Models

• Seiko 6399-814
• Seiko 0725-513
• Seiko 4450-536
• Seiko 0764-245
• Seiko 6253-864
• Seiko 4485-707
• Seiko 3886-924
• Seiko 7035-525
• Seiko 6683-358
• Seiko 0737-624
• Seiko 7037-831
• Seiko 6691-992