Seiko Cal. 3830 - 633

The Seiko 3830-633 represents an important milestone in Seiko's 1972 lineup. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-a9d7275af889]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1972

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