Seiko Cal. 5261 - 435

The 5261-435 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5261 caliber with 36j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-10c7b4fccd06]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1981

Related Models

• Seiko 0712-731
• Seiko 7162-503
• Seiko 3812-391
• Seiko 6213-442
• Seiko 4452-884
• Seiko 6346-656
• Seiko 7058-498
• Seiko 6191-531
• Seiko 6393-105
• Seiko 6278-941
• Seiko 5286-804
• Seiko 6314-742