Seiko Cal. 7013 - 644

This Hand-Winding model from 1987 features a 41mm Titanium case. Powered by the 7013 caliber with 35j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-9dadbc510483]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1987

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