Seiko Cal. 6240 - 437

The 6240-437 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-23678851f1a4]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1983

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