Seiko Cal. 3880 - 506

Released in 1968, the Cal. 3880 with design code 506 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-64c1bf48ab51]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1968

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