Seiko Cal. 7010 - 257

This Spring Drive model from 1986 features a 45mm Titanium case. Powered by the 7010 caliber with 28j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-3a661d765fbd]

Also known as: Monster, Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1986

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