Seiko Cal. 4550 - 741

The Seiko 4550-741 represents an important milestone in Seiko's 1966 lineup. It features a White dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-ab6e4c464d56]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1966

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