Seiko Cal. 5240 - 445

The Seiko 5240-445 represents an important milestone in Seiko's 1970 lineup. With its 19mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-16ef9feb304a]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1970

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