Seiko Cal. 6613 - 371

This Automatic model from 1970 features a 41mm Gold-Plated case. It features a Green dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-21b1ff099e58]

Also known as: Turtle, UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1970

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