Seiko Cal. 6371 - 154

The Seiko 6371-154 represents an important milestone in Seiko's 1975 lineup. It features a Black dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-8b0f6c434c46]

Also known as: Bullhead, Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1975

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