Seiko Cal. 6613 - 435

The Seiko 6613-435 represents an important milestone in Seiko's 1983 lineup. It features a Green dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-d0269d64c4d3]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1983

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