Seiko Cal. 3869 - 337

This Spring Drive model from 1965 features a 43mm PVD Black case. It features a Black dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-e313646311d9]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1965

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