Seiko Cal. 7136 - 191

The 7136-191 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7136 caliber with 30j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-6524e10595c6]

Also known as: Bellmatic, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1999

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