Seiko Cal. 6155 - 437

This Hand-Winding model from 1966 features a 46mm Titanium case. Powered by the 6155 caliber with 17j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-49975612bfb1]

Also known as: Sumo, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1966

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