Seiko Cal. 6250 - 306

The 6250-306 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6250 caliber with 33j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-a423b6886aca]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1979

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