Seiko Cal. 7183 - 818

This Hand-Winding model from 1978 features a 36mm Two-Tone case. It features a Cream dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-d23cc6a6f5ce]

Also known as: Monster, Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1978

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