Seiko Cal. 6144 - 690

The 6144-690 is a sought-after Solar piece from Seiko's golden era. Powered by the 6144 caliber with 25j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-5aa8f1f4821f]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1968

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