Seiko Cal. 0770 - 300

The Seiko 0770-300 represents an important milestone in Seiko's 1984 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-aec2bf0cb997]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1984

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