Seiko Cal. 7178 - 721

Seiko 7178-721

The Seiko 7178-721 represents an important milestone in Seiko's 1979 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-ddcd603378a8]

Also known as: Tuna, Goldfeather

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
44mm
Case Thickness
11.4mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1979

Related Models

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