Seiko Cal. 3849 - 657

This Automatic model from 1970 features a 44mm PVD Black case. It features a Green dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-7d633a040f6f]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1970

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