Seiko Cal. 4451 - 624

Released in 1975, the Cal. 4451 with design code 624 was part of Seiko's domestic market collection. With its 21mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-6af9fa753ddb]

Also known as: Turtle, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1975

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