Seiko Cal. 5660 - 409

This Automatic model from 1993 features a 37mm Titanium case. With its 22mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-70daffcb8dc7]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1993

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