Seiko Cal. 6693 - 993

The 6693-993 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-5591d4e7e496]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1971

Related Models

• Seiko 5293-665
• Seiko 7171-153
• Seiko 5246-250
• Seiko 6190-184
• Seiko 4548-659
• Seiko 4437-428
• Seiko 7183-320
• Seiko 5282-870
• Seiko 6248-547
• Seiko 7052-582
• Seiko 3891-574
• Seiko 6265-698