Seiko Cal. 6145 - 971

This Spring Drive model from 1978 features a 39mm Titanium case. With its 20mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-5716e1405165]

Also known as: Tuna, Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1978

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