Seiko Cal. 0770 - 543

The Seiko 0770-543 represents an important milestone in Seiko's 1965 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-57c7edcf0da2]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1965

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