Seiko Cal. 5656 - 840

This Automatic model from 1973 features a 42mm Stainless Steel case. It features a White dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-6869961ac692]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1973

Related Models

• Seiko 6311-862
• Seiko 3829-105
• Seiko 6676-627
• Seiko 4496-107
• Seiko 7155-591
• Seiko 5220-273
• Seiko 4443-203
• Seiko 6334-181
• Seiko 0749-498
• Seiko 6234-359
• Seiko 5289-754
• Seiko 3858-568