Seiko Cal. 0731 - 418

This Spring Drive model from 1978 features a 43mm Titanium case. Powered by the 0731 caliber with 35j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-5a4b7a161f6b]

Also known as: Silverwave, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1978

Related Models

• Seiko 5650-688
• Seiko 5276-343
• Seiko 6344-562
• Seiko 7154-783
• Seiko 6655-432
• Seiko 6174-395
• Seiko 0773-531
• Seiko 7022-799
• Seiko 5697-726
• Seiko 0771-220
• Seiko 0793-456
• Seiko 5286-219