Seiko Cal. 5640 - 267

This Spring Drive model from 1965 features a 44mm PVD Black case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-c4032e928c50]

Also known as: Panda, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1965

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