Seiko Cal. 3835 - 721

Released in 1976, the Cal. 3835 with design code 721 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-7b2a010cdfb2]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1976

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