Seiko Cal. 6686 - 957

The Seiko 6686-957 represents an important milestone in Seiko's 1968 lineup. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-8a7c763b6cd9]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1968

Related Models

• Seiko 0768-494
• Seiko 5241-423
• Seiko 7129-961
• Seiko 0753-754
• Seiko 7072-122
• Seiko 7041-276
• Seiko 6281-412
• Seiko 7183-490
• Seiko 3899-877
• Seiko 4553-250
• Seiko 0728-702
• Seiko 4583-835