Seiko Cal. 4451 - 825

The Seiko 4451-825 represents an important milestone in Seiko's 1971 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-2e69c82779ee]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

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