Seiko Cal. 0743 - 770

Seiko 0743-770

The Seiko 0743-770 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-a6af73c5534e]

Also known as: Tuna, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
8.1mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Cream
Jewels
23j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1977

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