Seiko Cal. 7090 - 657

Seiko 7090-657

The Seiko 7090-657 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-83cb7b578132]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
13.8mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
140m
Dial Color
White
Jewels
33j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1978

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