Seiko Cal. 6690 - 168

The 6690-168 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-ca5c34dbb1bb]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1969

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