Seiko Cal. 6144 - 690

The 6144-690 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6144 caliber with 20j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-1724ad628b0a]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1992

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