Seiko Cal. 5661 - 289

This Hand-Winding model from 1995 features a 40mm Titanium case. With its 18mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-fab6f0f4b512]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1995

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