Seiko Cal. 4540 - 726

This Solar model from 1980 features a 38mm Titanium case. Powered by the 4540 caliber with 29j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-13263738e417]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1980

Related Models

• Seiko 5675-356
• Seiko 5252-690
• Seiko 6134-384
• Seiko 7164-335
• Seiko 6132-229
• Seiko 6117-273
• Seiko 7058-169
• Seiko 5699-802
• Seiko 7145-158
• Seiko 6251-956
• Seiko 6212-209
• Seiko 4552-201