Seiko Cal. 6691 - 890

The 6691-890 is a sought-after Solar piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-323ef32946e1]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1986

Related Models

• Seiko 5250-222
• Seiko 6367-341
• Seiko 6360-148
• Seiko 6613-133
• Seiko 6144-210
• Seiko 5675-387
• Seiko 6295-591
• Seiko 3810-768
• Seiko 4553-579
• Seiko 5677-830
• Seiko 7161-326
• Seiko 5281-501