Seiko Cal. 6690 - 671

The 6690-671 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-a84c44235f3d]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1994

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