Seiko Cal. 6391 - 182

The 6391-182 is a sought-after Solar piece from Seiko's golden era. Powered by the 6391 caliber with 32j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-77750419dd3d]

Also known as: Helmet, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1966

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