Seiko Cal. 3815 - 359

The Seiko 3815-359 represents an important milestone in Seiko's 1973 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-655492bc6cde]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1973

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