Seiko Cal. 7144 - 850

Released in 1983, the Cal. 7144 with design code 850 was part of Seiko's domestic market collection. Powered by the 7144 caliber with 23j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-d8ba3edb46a5]

Also known as: Monster, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1983

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