Seiko Cal. 4536 - 697

The 4536-697 is a sought-after Solar piece from Seiko's golden era. Powered by the 4536 caliber with 20j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-348aef0b0251]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1986

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