Seiko Cal. 6681 - 377

The 6681-377 is a sought-after Solar piece from Seiko's golden era. Powered by the 6681 caliber with 34j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-bcce23020994]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1981

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