Seiko Cal. 6686 - 527

The 6686-527 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-72fec26e97e0]

Also known as: Monster, Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1975

Related Models

• Seiko 0753-550
• Seiko 0735-257
• Seiko 6214-665
• Seiko 3825-701
• Seiko 6618-119
• Seiko 6367-143
• Seiko 6120-751
• Seiko 5656-606
• Seiko 5286-117
• Seiko 4523-840
• Seiko 6262-990
• Seiko 0712-525