Seiko Cal. 3813 - 546

The Seiko 3813-546 represents an important milestone in Seiko's 1978 lineup. It features a Black dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-3a291ce6aae1]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1978

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