Seiko Cal. 4571 - 311

This Spring Drive model from 1996 features a 39mm PVD Black case. It features a Green dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-861c4a97cbe3]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1996

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