Seiko Cal. 4413 - 613

This Spring Drive model from 1966 features a 38mm Two-Tone case. It features a Navy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-c51f2910b45d]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1966

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