Seiko Cal. 7180 - 241

This Spring Drive model from 1978 features a 37mm Two-Tone case. It features a Cream dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-69cbb93bc66f]

Also known as: Rally, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1978

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