Seiko Cal. 3891 - 744

The 3891-744 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-a7e20fc65905]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1967

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