Seiko Cal. 6691 - 149

The 6691-149 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6691 caliber with 20j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-f8f6f23d37a7]

Also known as: Sumo, Pogue

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1988

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