Seiko Cal. 5256 - 440

The Seiko 5256-440 represents an important milestone in Seiko's 1995 lineup. Powered by the 5256 caliber with 35j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-67c71ffb794d]

Also known as: Sumo, Panda

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1995

Related Models

• Seiko 6343-737
• Seiko 6213-523
• Seiko 3833-688
• Seiko 6190-131
• Seiko 6259-227
• Seiko 6644-207
• Seiko 7143-894
• Seiko 4491-335
• Seiko 6178-252
• Seiko 6215-342
• Seiko 0781-336
• Seiko 4457-689