Seiko Cal. 6137 - 188

The 6137-188 is a sought-after Solar piece from Seiko's golden era. Powered by the 6137 caliber with 20j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-02ad9d89a0c5]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1997

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