Seiko Cal. 3840 - 420

This Solar model from 1975 features a 41mm PVD Black case. It features a White dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-bdf03ff3e6ff]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1975

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