Seiko Cal. 5610 - 939

This Spring Drive model from 1973 features a 44mm Two-Tone case. Powered by the 5610 caliber with 23j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-ec3caa8fa24f]

Also known as: Turtle, Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1973

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