Seiko Cal. 7141 - 250

This Hand-Winding model from 1965 features a 45mm Two-Tone case. Powered by the 7141 caliber with 27j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-63987d2bdc05]

Also known as: Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1965

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