Seiko Cal. 4437 - 268

Seiko 4437-268

The Seiko 4437-268 represents an important milestone in Seiko's 1978 lineup. Powered by the 4437 caliber with 20j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-fa061ec419c0]

Also known as: Turtle, Arnie

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
11.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
170m
Dial Color
Champagne
Jewels
20j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1978

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