Seiko Cal. 6131 - 894

The 6131-894 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6131 caliber with 30j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-7ce79f2eb013]

Also known as: Sumo, Panda

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1965

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