Seiko Cal. 6374 - 637

The 6374-637 is a sought-after Solar piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-98056d7cc740]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1991

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