Seiko Cal. 3816 - 424

The 3816-424 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-b1d2ba62dcbe]

Also known as: Tuna, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1995

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