Seiko Cal. 5640 - 249

The Seiko 5640-249 represents an important milestone in Seiko's 1995 lineup. Powered by the 5640 caliber with 33j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-be8f59711e39]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1995

Related Models

• Seiko 7018-222
• Seiko 6670-748
• Seiko 0730-325
• Seiko 5693-700
• Seiko 4445-404
• Seiko 7125-612
• Seiko 6695-999
• Seiko 3881-218
• Seiko 0716-280
• Seiko 7176-167
• Seiko 0727-332
• Seiko 5610-147