Seiko Cal. 6131 - 140

The 6131-140 is a sought-after Quartz piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-0a16d3897ac4]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1973

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