Seiko Cal. 6375 - 251

The 6375-251 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-988ce7c7532e]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1978

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