Seiko Cal. 3813 - 358

The Seiko 3813-358 represents an important milestone in Seiko's 1976 lineup. It features a Black dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-2737510fa695]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1976

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