Seiko Cal. 4550 - 152

The Seiko 4550-152 represents an important milestone in Seiko's 1985 lineup. It features a Black dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-6ac9031a0a46]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1985

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