Seiko Cal. 6311 - 521

The Seiko 6311-521 represents an important milestone in Seiko's 1976 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-17823ef9d9ea]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1976

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