Seiko Cal. 0777 - 236

The Seiko 0777-236 represents an important milestone in Seiko's 1970 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-4383aa753c3a]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1970

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