Seiko Cal. 6371 - 997

The Seiko 6371-997 represents an important milestone in Seiko's 1978 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-901fa0db6e33]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1978

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