Seiko Cal. 3840 - 123

This Automatic model from 1970 features a 45mm Titanium case. Powered by the 3840 caliber with 36j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-2d94a0690c59]

Also known as: Shogun, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1970

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