Seiko Cal. 4551 - 231

Released in 1990, the Cal. 4551 with design code 231 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-66dd1ed76d17]

Also known as: Pogue, Rally

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1990

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