Seiko Cal. 6316 - 191

This Spring Drive model from 1971 features a 45mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-aaaf51a4fb72]

Also known as: Bullhead, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1971

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