Seiko Cal. 6613 - 813

This Automatic model from 1968 features a 39mm Stainless Steel case. It features a Silver dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-c7a02dea44ed]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1968

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