Seiko Cal. 5646 - 826

This Solar model from 1965 features a 39mm Titanium case. Powered by the 5646 caliber with 31j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-068bc253f94f]

Also known as: Turtle, Monster

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1965

Related Models

• Seiko 6232-314
• Seiko 6647-947
• Seiko 4434-678
• Seiko 4571-855
• Seiko 5212-690
• Seiko 7070-529
• Seiko 7013-707
• Seiko 7119-195
• Seiko 5210-501
• Seiko 7153-541
• Seiko 6120-105
• Seiko 6350-410