Seiko Cal. 6157 - 542

This Hand-Winding model from 1999 features a 42mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-91e55aff6f3c]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1999

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