Seiko Cal. 3864 - 402

This Hand-Winding model from 1970 features a 42mm Stainless Steel case. It features a Navy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-c2b33fef92d6]

Also known as: Tuna, Rally

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1970

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