Seiko Cal. 3813 - 388

The Seiko 3813-388 represents an important milestone in Seiko's 1975 lineup. It features a White dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-b5e8b60796d4]

Also known as: Bellmatic, World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1975

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