Seiko Cal. 5650 - 331

This Hand-Winding model from 1976 features a 45mm Titanium case. Powered by the 5650 caliber with 34j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-2db117887b11]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1976

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