Seiko Cal. 3820 - 403

The Seiko 3820-403 represents an important milestone in Seiko's 1968 lineup. It features a Silver dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-a0dd0ce40c2a]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1968

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