Seiko Cal. 0751 - 646

The Seiko 0751-646 represents an important milestone in Seiko's 1982 lineup. It features a Silver dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-9c9f4e6e9434]

Also known as: Tuna, Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1982

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