Seiko Cal. 6364 - 857

The Seiko 6364-857 represents an important milestone in Seiko's 1983 lineup. It features a Silver dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-3c0276cd0dca]

Also known as: Helmet, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1983

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