Seiko Cal. 6157 - 659

The Seiko 6157-659 represents an important milestone in Seiko's 1991 lineup. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-c77d9665d629]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1991

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