Seiko Cal. 6191 - 321

The 6191-321 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-a77077f28d54]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

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