Seiko Cal. 6636 - 267

This Quartz model from 1965 features a 34mm Gold-Plated case. Powered by the 6636 caliber with 21j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-e69282970a66]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1965

Related Models

• Seiko 6640-634
• Seiko 5677-997
• Seiko 5684-228
• Seiko 4521-766
• Seiko 7141-989
• Seiko 5299-735
• Seiko 6695-147
• Seiko 5214-593
• Seiko 4411-407
• Seiko 6240-354
• Seiko 5272-665
• Seiko 5611-959