Seiko Cal. 6690 - 686

The 6690-686 is a sought-after Kinetic piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-dfd592f43094]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1969

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