Seiko Cal. 3813 - 327

Seiko 3813-327

The 3813-327 is a sought-after Quartz piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-378ac28a70cb]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
40mm
Case Thickness
8.3mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Champagne
Jewels
19j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1971

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seikata-wm-378ac28a70cb