Seiko Cal. 6356 - 993

The Seiko 6356-993 represents an important milestone in Seiko's 1968 lineup. It features a Navy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-8587892c10de]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1968

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