Seiko Cal. 6238 - 681

This Hand-Winding model from 1968 features a 42mm PVD Black case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-7aea45fcd155]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

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