Seiko Cal. 6391 - 181

The 6391-181 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6391 caliber with 17j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-7fdf752775fa]

Also known as: Shogun, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1985

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