Seiko Cal. 5256 - 642

The 5256-642 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5256 caliber with 30j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-c984a839806f]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1982

Related Models

• Seiko 5279-891
• Seiko 6671-994
• Seiko 6698-165
• Seiko 7091-442
• Seiko 6330-339
• Seiko 6228-410
• Seiko 6649-669
• Seiko 6229-647
• Seiko 3835-453
• Seiko 6325-869
• Seiko 5646-379
• Seiko 4443-512