Seiko Cal. 5678 - 761

This Automatic model from 1977 features a 46mm Titanium case. Powered by the 5678 caliber with 34j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-d7301e4ff988]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1977

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