Seiko Cal. 3815 - 660

Seiko 3815-660

The 3815-660 is a sought-after Quartz piece from Seiko's golden era. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-8c9d2526c60d]

Also known as: Rally, Baby Tuna

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
9.0mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Navy
Jewels
29j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1996

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