Seiko Cal. 6381 - 715

The Seiko 6381-715 represents an important milestone in Seiko's 1974 lineup. Powered by the 6381 caliber with 20j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-e98d77ad9a10]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1974

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