Seiko Cal. 6381 - 181

Released in 1970, the Cal. 6381 with design code 181 was part of Seiko's domestic market collection. With its 20mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-4b894a8ab8bd]

Also known as: Panda, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1970

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