Seiko Cal. 7030 - 307

Seiko 7030-307

The 7030-307 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-525a2a0b0ab3]

Also known as: Silverwave, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
10.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Green
Jewels
29j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1974

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seikata-wm-525a2a0b0ab3