Seiko Cal. 6171 - 856

The 6171-856 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-9969c5ac06c6]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1969

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