Seiko Cal. 5665 - 450

This Automatic model from 1976 features a 37mm Titanium case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-780115e93504]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1976

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