Seiko Cal. 4551 - 101

The Seiko 4551-101 represents an important milestone in Seiko's 1974 lineup. It features a Silver dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-1fac0e833a46]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1974

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