Seiko Cal. 3864 - 782

Released in 1974, the Cal. 3864 with design code 782 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-3e3d00ab7514]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1974

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