Seiko Cal. 6178 - 461

The 6178-461 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6178 caliber with 17j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-fcbc792de7eb]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1979

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