Seiko Cal. 6635 - 176

The Seiko 6635-176 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-e4292c141f8c]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1981

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