Seiko Cal. 5240 - 984

This Spring Drive model from 1987 features a 46mm Two-Tone case. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-23468ac4cb68]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1987

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