Seiko Cal. 6691 - 156

The 6691-156 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6691 caliber with 20j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-b5b0575e416f]

Also known as: Shogun, Navigator

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1983

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