Seiko Cal. 3818 - 422

The 3818-422 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-c7b8b5842be6]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1991

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