Seiko Cal. 6645 - 136

This Spring Drive model from 1966 features a 41mm Stainless Steel case. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-9e90d5f44600]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1966

Related Models

• Seiko 6627-532
• Seiko 7046-226
• Seiko 0791-847
• Seiko 5611-115
• Seiko 7093-540
• Seiko 6684-301
• Seiko 5692-221
• Seiko 3867-179
• Seiko 6186-692
• Seiko 7051-217
• Seiko 6269-104
• Seiko 4579-364