Seiko Cal. 4550 - 170

The Seiko 4550-170 represents an important milestone in Seiko's 1977 lineup. It features a Champagne dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-37a92a457a5b]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1977

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