Seiko Cal. 6153 - 140

This Solar model from 1978 features a 37mm Titanium case. Powered by the 6153 caliber with 31j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-b656a7bff12b]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1978

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