Seiko Cal. 6685 - 688

The Seiko 6685-688 represents an important milestone in Seiko's 1995 lineup. Powered by the 6685 caliber with 28j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-217b720647f5]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1995

Related Models

• Seiko 6666-339
• Seiko 7173-785
• Seiko 6388-221
• Seiko 5284-343
• Seiko 0738-476
• Seiko 7086-828
• Seiko 6620-472
• Seiko 4497-153
• Seiko 4586-335
• Seiko 7077-543
• Seiko 3869-304
• Seiko 6695-147