Seiko Cal. 7123 - 641

The Seiko 7123-641 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-8c26baf853c4]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1987

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