Seiko Cal. 6181 - 145

The Seiko 6181-145 represents an important milestone in Seiko's 1970 lineup. Powered by the 6181 caliber with 36j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-33679f9fe01e]

Also known as: Monster, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1970

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