Seiko Cal. 6691 - 743

The 6691-743 is a sought-after Solar piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-0b48a06cb23d]

Also known as: Bellmatic, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1987

Related Models

• Seiko 6182-492
• Seiko 3860-222
• Seiko 4461-528
• Seiko 6254-940
• Seiko 4522-845
• Seiko 5610-792
• Seiko 6236-912
• Seiko 5653-722
• Seiko 5222-415
• Seiko 4592-472
• Seiko 7087-388
• Seiko 5286-681