Seiko Cal. 4451 - 721

The Seiko 4451-721 represents an important milestone in Seiko's 1974 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-94fad055a992]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1974

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