Seiko Cal. 6691 - 154

The 6691-154 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-1f954be233f8]

Also known as: Pogue, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1969

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