Seiko Cal. 4485 - 237

Released in 1968, the Cal. 4485 with design code 237 was part of Seiko's domestic market collection. With its 19mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-93ccf22526fc]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1968

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