Seiko Cal. 0786 - 641

The 0786-641 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0786 caliber with 23j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-afa93fbfb0aa]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1984

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