Seiko Cal. 6370 - 928

The 6370-928 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-b0ffe92457bc]

Also known as: Sumo, Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1976

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