Seiko Cal. 4433 - 391

The Seiko 4433-391 represents an important milestone in Seiko's 1977 lineup. It features a Silver dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-56c27a3926ba]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1977

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