Seiko Cal. 6131 - 216

The 6131-216 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-ba03bb7c363c]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1977

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