Seiko Cal. 3815 - 148

Seiko 3815-148

The Seiko 3815-148 represents an important milestone in Seiko's 1967 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-88780a701ff8]

Also known as: Silverwave, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
10.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Black
Jewels
33j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1967

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