Seiko Cal. 4549 - 536

The Seiko 4549-536 represents an important milestone in Seiko's 1972 lineup. It features a Navy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-3cbcc09f8b43]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1972

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