Seiko Cal. 6153 - 757

The Seiko 6153-757 represents an important milestone in Seiko's 1976 lineup. With its 21mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-2aea15cfa6bc]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1976

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