Seiko Cal. 6357 - 850

This Spring Drive model from 1992 features a 36mm PVD Black case. It features a White dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-ecab8acef008]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1992

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