Seiko Cal. 3840 - 299

This Spring Drive model from 1977 features a 46mm PVD Black case. It features a Silver dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-df7ed1a40574]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1977

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