Seiko Cal. 6375 - 186

The Seiko 6375-186 represents an important milestone in Seiko's 1971 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-3282a12e1d88]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1971

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