Seiko Cal. 0773 - 366

The Seiko 0773-366 represents an important milestone in Seiko's 1972 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-f8913fd45225]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1972

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