Seiko Cal. 6131 - 710

The Seiko 6131-710 represents an important milestone in Seiko's 1967 lineup. It features a Silver dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-cd4af3b29822]

Also known as: Helmet, Emperor

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1967

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