Seiko Cal. 6357 - 188

The Seiko 6357-188 represents an important milestone in Seiko's 1969 lineup. It features a Green dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-8a7126250b19]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1969

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