Seiko Cal. 5647 - 349

The 5647-349 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-6b4573893143]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1976

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