Seiko Cal. 5253 - 271

This Spring Drive model from 1967 features a 40mm Two-Tone case. Powered by the 5253 caliber with 25j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-fe10fd5fa357]

Also known as: Tuna, Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1967

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