Seiko Cal. 3881 - 784

The Seiko 3881-784 represents an important milestone in Seiko's 1969 lineup. It features a Black dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-6540984243c6]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1969

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