Seiko Cal. 6646 - 191

The 6646-191 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-9e417329e39d]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1982

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