Seiko Cal. 5275 - 250

The Seiko 5275-250 represents an important milestone in Seiko's 1966 lineup. Powered by the 5275 caliber with 25j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-32bcb851bb50]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1966

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