Seiko Cal. 4457 - 367

Released in 1987, the Cal. 4457 with design code 367 was part of Seiko's domestic market collection. With its 20mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-0ddbb15bc1bb]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1987

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