Seiko Cal. 5665 - 118

This Hand-Winding model from 1981 features a 37mm Titanium case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-1b5d2e5bf7e6]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1981

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