Seiko Cal. 7181 - 251

Released in 1975, the Cal. 7181 with design code 251 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-cbbb5d71d4f9]

Also known as: Panda, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1975

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