Seiko Cal. 6690 - 276

The 6690-276 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-47fe1af38fb2]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1999

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