Seiko Cal. 6250 - 556

The 6250-556 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6250 caliber with 20j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-a0cc29938ec3]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

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