Seiko Cal. 6371 - 337

The Seiko 6371-337 represents an important milestone in Seiko's 1979 lineup. It features a Navy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-7720312918b4]

Also known as: Monster, UFO

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1979

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