Seiko Cal. 3813 - 709

The 3813-709 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-aeec0ab56c47]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1971

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