Seiko Cal. 7131 - 541

This Hand-Winding model from 1965 features a 40mm Titanium case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-6421665a40e7]

Also known as: Panda, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1965

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