Seiko Cal. 0727 - 242

The Seiko 0727-242 represents an important milestone in Seiko's 1967 lineup. Powered by the 0727 caliber with 30j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-cd1a10738a25]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1967

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